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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $2,303,346,690 | 0 | 431,065,812 |
| 2006 | $3,065,128,888 | 0 | 668,752,243 |
| 2007 | $4,375,254,349 | 108,036,974 | 1,009,519,597 |
| 2008 | $4,616,608,638 | 100,182,001 | 1,083,751,388 |
| 2009 | $4,690,709,691 | 88,036,312 | 1,252,414,433 |
| 2010 | $6,573,134,714 | 131,874,715 | 1,278,495,413 |
| 2011 | $7,727,846,592 | 162,843,699 | 1,628,498,998 |
Note: Quantity represents Number of items
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